Post by thread:[SX] Needing help with the I2C command to talk to

In SX Microcontrollers, SX/B Compiler and SX-Key Tool, ALTITUDEAP wrote:I recieved some very good help form jonathan. He sent me this information to talk to the Max chip form (i believe) a pic. Init_Display: i2cout dispSDA,dispSCL,dispDev,$01,[$FF,$FF] ' Set Intensity i2cout dispSDA,dispSCL,dispDev,$03,[$01] ' Show all 4 chars i2cout dispSDA,dispSCL,dispDev,$04,[%00001001]' Config Byte i2cout dispSDA,dispSCL,dispDev,$60,[" "," "," "," "]' Clear display i2cout dispSDA,dispSCL,dispDev,$60,["INIT"]',fail pause 1000 i2cout dispSDA,dispSCL,dispDev,$60,[" "," "," "," "]' Clear display Note that line 5 is the one that displays the word "INIT" using the internal font. Lines 1 -3 init the display. Hope this helps. If you have any other questions, mail directly to jpeakall@madlabs.info, I will respond faster that way. So i wrote mine like this. Start: ' Max6953 I2C Initialization I2CStart SDA 'Set Intensity I2CSend SDA, TopSlaveID 'Addresses the top Max Chip I2CSend SDA, $01 I2CSend SDA, [$FF,$FF] I2CStop SDA I2CStart SDA 'Show all 4 characters I2CSend SDA, TopSlaveID I2CSend SDA, $03 I2CSend SDA, $01 I2CStop SDA I2CStart SDA 'Config Byte I2CSend SDA, TopSlaveID I2CSend SDA, $04 I2CSend SDA, %00001001 I2CStop SDA I2CStart SDA 'Clear Screen I2CSend SDA, $60 I2CSend SDA, [" "," "," "," "] I2CStop SDA I cant get past the I2CSend SDA, [$FF,$FF] in the debug window. Is i because i need to do a seperate entry for each item. ie.. ' Max6953 I2C Initialization I2CStart SDA 'Set Intensity I2CSend SDA, TopSlaveID 'Addresses the top Max Chip I2CSend SDA, $01 I2CSend SDA, $FF I2CSend SDA, $FF I2CStop SDA Will that make it work and does it mean the same thing as the samlpe pic code sent to me?

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In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jon Williams wrote:One of the things you want to keep in mind is that I2C commands actually expand out to several instructions so you may want to wrap them into subroutine shells -- this will also give you the ability to add features to the commands. I've attached a program that wraps the I2C instructions like this; it should help you convert your program.

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